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논문 기본 정보

자료유형
학술저널
저자정보
Min-Gyu Kim (Korea Institute of Robotics & Technology Convergence) Hyungjoo Kang (Korea Institute of Robotics & Technology) Mun-Jik Lee (Korea Institute of Robotics & Technology) Gun Rae Cho (Korea Institute of Robotics & Technology) Ji-Hong Li (Korea Institute of Robotics & Technology Convergence) Cheol Kim (Kyungpook National University)
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제35권 제6호(통권 제163호)
발행연도
2021.12
수록면
434 - 445 (12page)

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초록· 키워드

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This paper proposes an optimal design method for an unmanned underwater vehicle (UUV) platform to overcome strong current. First, to minimize the hydrodynamic drag components in water, the vehicle is designed to have a streamlined disc shape, which help maintaining horizontal motion (zero roll and pitch angles posture) while overcoming external current. To this end, four vertical thrusters are symmetrically mounted outside of the platform to stabilize the vehicle’s horizontal motion. In the horizontal plane, four horizontal thrusters are symmetrically mounted outside of the disc, and each of them has the same forward and reverse thrust performances. With these four thrusters, a specific thrust vector control (TVC) method is proposed, and for external current in any direction, four horizontal thrusters are controlled to generate a vectored thrust force to encounter the current while minimizing the vehicle’s rotation and maintaining its heading. However, for the numerical simulations, the vehicle’s hydrodynamic coefficients related to the horizontal plane are derived based on both theoretical and empirically derived formulas. In addition to the simulation, experimental studies in both the water tank and circulating water channel are performed to verify the vehicle’s various final performances, including its ability to overcome strong current.

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ABSTRACT
1. Introduction
2. System Overview
3. Vehicle Design and Its Hydrodynamic Modeling
4. TVC Algorithm
5. Water Tank Experimental Studies
6. Conclusion
References

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